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El Toqui property, Cerro Estatuas Ñirehuao district, Coyhaique Province (Coihaique Province), Aisén del General Carlos Ibáñez del Campo Region, Chile

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Stratiform gold-rich massive sulphide replacement skarn mantos, hosted in limestones, and lesser veins, hosted in dacitic volcanic rocks. Past production and reserves amount to about 10 million tons of ore grading at 8% Zn, 0.6% Cu, 1.5% Pb, 1.5 grams/ton Au and 50 grams/ton Ag, on average.

The deposit was discovered in the early 1970s. The Metallgesellschaft AG owned the property for a number of years and then sold it to a Chilean entrepreneur, who started mining it in 1984. It was subsequently purchased by Lac Minerals. In 1994, Barrick Gold Corporation acquired Lac Minerals which included El Toqui. Breakwater Resources Ltd. purchased Toqui in August 1997.

The property includes the stratiform Aserradero, Concordia, Doña Rosa-Mallin Sur, Estatuas, Mallin-Mónica and San Antonio orebodies, and the Antolin and Zúñiga discordant vein deposits.

Mineral List

Mineral list contains entries from the region specified including sub-localities


25 entries listed. 18 valid minerals.

Localities in this Region

Chile

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Wellmer, F.W., Reeve, E.J., Wentzlau, E. and Westenberger, H. (1983) Geology and ore deposits of the Toqui District, Aysen, Chile. Economic Geology 78:6 pp. 1119-1143.

Mining Annual Review (1985) 56.

Ruiz Fuller, C., and Peebles, F. (1988) Yacimientos metalíferos de Chile. Fondecyt (Santiago de Chile).

Townley, B.K., and Godwin, C.I. (2001) Isotope characterization of lead in galena from ore deposits of the Aysén Region, southern Chile. Mineralium Deposita 36, 45-57.

Maksaev, V., Townley, B., Palacios, C., and Camus, F. (2007) Metallic ore deposits, in Moreno, T., and Gibbons, W. (editors) The Geology of Chile. The Geological Society (London), p. 414.

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